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Figure 1 : (a) Asymmetric unit of (I). (b) Partially extended structure of (I) showing the gold monomer (Au3, drawn in green) and trimer (Au1 and Au2, drawn in orange) units and the coordination about the barium atoms. Atomic labelling scheme and 50% probability ellipsoids are shown. [Symmetry codes: (i) x-3/2, y-1/2, −z+1/2; (ii) x, y-1, z; (iii) −x+2, −y+2, −z+1; (iv) −x+1, −y+1, −z+1]. |